CN104387795B - A kind of reactive blue dye and preparation method thereof - Google Patents
A kind of reactive blue dye and preparation method thereof Download PDFInfo
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- CN104387795B CN104387795B CN201410504478.8A CN201410504478A CN104387795B CN 104387795 B CN104387795 B CN 104387795B CN 201410504478 A CN201410504478 A CN 201410504478A CN 104387795 B CN104387795 B CN 104387795B
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Abstract
The present invention relates to a kind of reactive blue dye and preparation method thereof, blue active dye prepared by the present invention not only increases degree of fixation, alkali resistance and light fastness, also improves solubility, and with the obvious advantage is alkali resistance, can satisfy the requirement of cold pad--batch strong basicity.Blue active dye of the present invention is suitable for the dyeing of cotton, fiber crops, wool fibre.
Description
Technical field
The invention belongs to dye chemical industry technical fields, are related to dyestuff chemistry structure and preparation method thereof more particularly to gorgeous indigo plant
Color reactive dye structure and preparation method thereof.
Background technique
Reactive dye bright in color light, wet fastness are good, have its performance advantage, but also have shortcoming, degree of fixation, alkali resistance and
Light fastness is generally lower, especially blue Series Reactive Dyes, and the deficiency is more obvious.Therefore it is external for degree of fixation, it is resistance to
The performances such as alkalinity and light fastness develop the blue active dye containing heterocycle chromogen in succession, but alkali resistance still can not expire
Sufficient cold pad--batch requirement, and solubility is affected, blue active dye prepared by the present invention not only increase degree of fixation, alkaline-resisting
Property and light fastness (light fastness reaches 6-7 grades), also improve solubility, with the obvious advantage is alkali resistance, be can satisfy cold
Roll the requirement of heap strong basicity.
US4629788 discloses a kind of naphthalene nucleus β bit amino derivative dye, and present invention novelty develops a kind of naphthalene nucleus α
Bit amino derivative, performance advantage is more obvious, and alkali resistance and light fastness have new raising again, can be adapted for cold rolling completely
The high concentration strong basicity requirement of heap dyeing, light fastness is half grade high compared with β bit derivant, and color development degree and degree of fixation are higher by 8% or more,
In addition the present invention is the ideal blue dyestuff for substituting active blue 19.
Another innovative point of the invention is sulfonic introducing, is not introduced in advance on naphthalene derivative, is being contaminated
It is introduced in material chromogen synthesis process, i.e. esterification, closed loop, sulfonation substantially reduces the complexity of technique process with completion is bathed.
Summary of the invention
The object of the present invention is to provide a kind of blue active dyes and preparation method thereof.Blue active dye prepared by the present invention
Material not only increases degree of fixation, alkali resistance and light fastness, also improves solubility, that with the obvious advantage is alkali resistance, Neng Gouman
Sufficient cold pad--batch strong basicity requirement.
The technical solution adopted by the present invention are as follows:
A kind of blue active dye, shown in the structural formula of the blue active dye such as formula (I):
X1:-H or-SO3M；
X2；-H,-SO3M or-SO2CH2CH2OSO3M；
X3:-H or-SO2CH2CH2OSO3M；
X4:-H or-SO3M；
X5:-SO3M or-SO2CH2CH2OSO3M；
M is-H ,-Na or-K.
Preferably, the X2For-H or-SO3M；X3For-H；X5For-SO2CH2CH2OSO3M。
Preferably, the X2For-SO2CH2CH2OSO3M, X3For-H, X5For-SO3M。
Preferably, the X2For-H or-SO3M；X3For-SO2CH2CH2OSO3M；X5For-SO3M。
The present invention also provides the preparation methods of above-mentioned blue active dye, include the following steps:
(1) it is condensed
Bottom water is added in 1000ml beaker, adds
In one of which, be warming up to 60 DEG C, be gradually added into tetrachloroquinone, use
NaHCO3PH=6-8 is adjusted, time general control is added in 0.5-2 hours, temperature controls 55-65 DEG C, after reaction, drop
To 30 DEG C hereinafter, filtering, filter cake is washed with water 2-3 times temperature, in 60-80 DEG C of drying, obtains condensation product dry product；
(2) closed loop, esterification, sulfonation
In 500ml four-hole bottle, the oleum of 20% concentration is added, above-mentioned condensation product dry product is slowly added into, with cooling
Water cooling, charge temperature≤30 DEG C；It finishes holding and is slowly added into potassium peroxydisulfate (K again in 2 hours2S2O8) 30-60 DEG C of temperature of control,
It feed time 3-8 hours, finishes, is kept for 2 hours, add liquid SO3, and in 60-100 DEG C holding 2-4 hours, it is anti-to obtain sulfonation
Liquid is answered, by the sulfonating reaction liquid cooling water temperature to 30 DEG C hereinafter, to be diluted.
(3) it dilutes, neutralize
Above-mentioned sulfonating reaction liquid is diluted in mixture of ice and water, temperature≤0 DEG C, dilutes the complete NaCl or KCl that is added and saltout,
It saltouts time 2-3 hour, filters, filter cake is beaten with water, uses NaHCO3PH=5-7 is adjusted, which can Direct spraying drying
At finished product (blue active dye), it can also continue to be saltoutd with NaCl or KCl, filter, filtration cakes torrefaction obtains finished product.
The present invention also provides a series of dyestuff intermediates, the structural formulas of the dyestuff intermediate are as follows:
The present invention also provides the preparation methods of above-mentioned dyestuff intermediate, include the following steps:
1) acetylation: by 4- sulfonic acid-naphthalidine, 1,6- 1-naphthlamine-6-sulfonic acid (6- sulfonic acid-naphthalidine) or 1,7- 1-naphthlamine-6-sulfonic acid
(7- sulfonic acid-naphthalidine) be added to the water mashing, is warming up to 30-40 DEG C, and 15% sodium carbonate is added dropwise, and adjusts pH=6-6.5, is allowed to
Gradually dissolve；Acetic anhydride is added drop-wise in the above system, 30-40 DEG C of temperature reaction is kept, after being reacted completely with chromatographic determination,
Cool to room temperature；Product is precipitated, and filter cake is then obtained by filtration, filter cake is dried to obtain dry product；
2) chlorosulfonation: chlorosulfonic acid being added into dry four-hole bottle, and water-bath keeps the temperature 20 DEG C hereinafter, being slowly added to step 1)
Product dry product；25-40 DEG C of reaction is warming up to be slowly dropped to reaction solution after being reacted completely with liquid chromatogram measuring and be equipped with
Ice is analysed in the beaker of mixture of ice and water, and temperature remains at 0 DEG C or less；Filter cake is obtained by filtration；
3) is restored: sodium hydrogensulfite being added to the water dissolution, adjusts pH=7.5-8 with NaOH (30%)；Ice-water bath is kept
At 15-20 DEG C of temperature, step 2) products therefrom is slowly added into system, keeps system pH=7-8 with NaOH (30%)；Add
It is complete, persistently stir 1 hour, keep pH=7.5-8,20-25 DEG C of temperature；NaCl is added to saltout, filter is obtained by filtration after being precipitated in product
Cake；
4) hydroxyethylation: step 3) products therefrom is beaten with water, 55-60 DEG C is warming up to, is allowed to be completely dissolved；60℃
Under, ethylene oxide gas is passed through into system, while using H2SO4(30%) pH=6.8-7.2 is adjusted, it is small to be continually fed into 18-20
When, system solution gradually has solid particle precipitation, as generation product；After liquid chromatogram measuring fully reacting, 40 are cooled to
℃；Filtering, it is ethoxy object that washing, which obtains product,；
5) it hydrolyzes: step 4) product ethoxy object is added to the water mashing, with NaOH (30%) adjusting pH=9-10, add
Heat keeps 1-1.5h to 70-75 DEG C；PH is adjusted to 6.5-7 with HCl (30%), ice salt bath is cooled to 0-5 DEG C, and product is big
Amount be precipitated, filter filter cake up to dyestuff intermediate.
Possessed by of the invention the utility model has the advantages that
Blue active dye prepared by the present invention not only increases degree of fixation, alkali resistance and light fastness, also improves molten
Xie Du, with the obvious advantage is alkali resistance, can satisfy the requirement of cold pad--batch strong basicity.Blue active dye of the present invention be suitable for cotton,
The dyeing of fiber crops, wool fibre.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but the scope of protection of the present invention is not limited.
Embodiment 1
A kind of blue active dye, shown in the structural formula of the blue active dye such as following formula (II):
The preparation method of above-mentioned formula (II) blue active dye, includes the following steps:
500ml bottom water, 60g are added in 1000ml beaker60 DEG C are warming up to, is gradually added into four
Chloranil 29.4g, uses NaHCO3PH=6-8 is adjusted, time general control is added at 1 hour, temperature controls 55-65 DEG C, reaction
After, 30 DEG C are cooled to hereinafter, filtering, and filter cake is washed with water 2 times, in 60-80 DEG C of drying, obtains condensation product dry product；
In 500ml four-hole bottle, the oleum 290g of 20% concentration is added, is slowly added into above-mentioned condensation product dry product
67.5g, with cooling water temperature, charge temperature≤30 DEG C.Holding 2 hours is finished, starts to be slowly added into 54gK2S2O8Control temperature
It 30-60 DEG C, feed time 5 hours, finishes, is kept for 2 hours.16gSO is added dropwise into the four-hole bottle3Liquid, and in 60-100 DEG C
Keep 3 hours, with cooling water temperature to 30 DEG C hereinafter, sulfonating reaction liquid, it is to be diluted；
Above-mentioned sulfonating reaction liquid is diluted in mixture of ice and water, temperature≤0 DEG C.Dilution, which is finished, is added total volume 20%
NaCl saltouts (dilution total volume V*20%=NaCl additional amount), and stirring is saltoutd 2 hours.Filtering, filter cake are beaten with 400ml water
Slurry, uses NaHCO3PH=5-7 is adjusted, it is spray-dried to obtain formula (II) blue active dye.The performance of the dyestuff of embodiment 1 is such as
Under:
Part chemical equation involved in embodiment 1 is as follows:
Embodiment 2
It will be in embodiment 1Replacement are as follows:
For other steps with embodiment 1, the structural formula of blue active dye obtained is as follows:
The performance of the dyestuff of embodiment 2 is as follows:
Embodiment 3
It will be in embodiment 1Replacement are as follows:
For other steps with embodiment 1, the structural formula of blue active dye obtained is as follows:
The performance of the dyestuff of embodiment 3 is as follows:
Embodiment 4
A kind of dyestuff intermediate, the structural formula of the dyestuff intermediate are as follows:
The preparation method of the dyestuff intermediate, includes the following steps:
Used raw material are as follows: 4- sulfonic acid-naphthalidine (CAS:84-86-6), (structure a-1)
1) acetylation: 1 part of 4- sulfonic acid-naphthalidine is added to the water mashing, is warming up to 30-40 DEG C, and 15% (matter is added dropwise
Amount) sodium carbonate, pH=6-6.5 is adjusted, is allowed to gradually dissolve；It will be added drop-wise in the above system in acetic anhydride 15 minutes of 1.2 parts,
It is kept for 30-40 DEG C of temperature, drips off holding 1 hour；After being reacted completely with chromatographic determination, room temperature is cooled to；Product is largely precipitated,
Stirring 1 hour；Filter cake is obtained by filtration, filter cake is placed in 60 DEG C of ovens and dries to obtain dry product；
2) chlorosulfonation: 5 parts of chlorosulfonic acid are added into dry four-hole bottle, water-bath keeps the temperature 20 DEG C hereinafter, being slowly added to step
1) 1 part of product dry product；It is warming up to 35-40 DEG C, is kept for 4 hours；It is after being reacted completely with liquid chromatogram measuring, reaction solution is slow
It is added drop-wise to ice analysis, temperature in the beaker equipped with mixture of ice and water and remains at 0 DEG C or less；Filter cake is obtained by filtration；
3) is restored: 1.3 parts of sodium hydrogensulfites are added to the water dissolution, adjust pH=7.5-8 with NaOH (30% mass),
Ice-water bath keeps that 1 part of step 2) product being slowly added into system at 15-20 DEG C of temperature, is kept with NaOH (30% mass)
System pH=7-8；Add, persistently stir 1 hour, keep pH=7.5-8,20-25 DEG C of temperature；NaCl is added to saltout, product is big
Amount is precipitated；Filter cake is obtained by filtration；
4) hydroxyethylation: 1 part of step 3) product being beaten with water, is warming up to 55-60 DEG C, is allowed to be completely dissolved, and 60 DEG C
Under, ethylene oxide gas is passed through into system, while using H2SO4(30% mass) adjusts pH=6.8-7.2. and is continually fed into 18-20
Hour, system solution gradually has solid particle precipitation, as generation product；After liquid chromatogram measuring fully reacting, cool to
40 DEG C, filtering, it is ethoxy object that washing, which obtains product,；
5) it hydrolyzes: 1 part of step 4) product ethoxy object is added to the water mashing, with NaOH (30% mass) adjusting pH=
9-10；It is heated to 70-75 DEG C, keeps 1.5h；PH is adjusted to 6.5-7 with HCl (30% mass), ice salt bath is cooled to 0-5
DEG C, product is largely precipitated；Filter filter cake is dyestuff intermediate structure a-2.
Number described in embodiment 4 is molfraction.
The reaction equation that above-mentioned steps are related to is as follows:
Embodiment 5
4- sulfonic acid-naphthalidine in embodiment 4 is replaced with into 1,6- 1-naphthlamine-6-sulfonic acid, other are the same as embodiment 4, i.e., corresponding system
:
Embodiment 6
4- sulfonic acid-naphthalidine in embodiment 4 is replaced with into 1,7- 1-naphthlamine-6-sulfonic acid, other are the same as embodiment 4, i.e., corresponding system
:
Claims (4)
1. a kind of blue active dye, it is characterised in that: the structural formula of the blue active dye is as follows:
X1:-H or-SO3M；
X2；-H,-SO3M；
X3:-H；
X4:-H or-SO3M；
X5:-SO2CH2CH2OSO3M；
M is-H ,-Na or-K.
2. a kind of blue active dye, it is characterised in that: the structural formula of the blue active dye is as follows:
X1:-H or-SO3M；
X2；-SO2CH2CH2OSO3M；
X3:-H；
X4:-H or-SO3M；
X5:-SO3M；
M is-H ,-Na or-K.
3. a kind of blue active dye, it is characterised in that: the structural formula of the blue active dye is as follows:
X1:-H or-SO3M；
X2；-H,-SO3M；
X3:-SO2CH2CH2OSO3M；
X4:-H or-SO3M；
X5:-SO3M；
M is-H ,-Na or-K.
4. a kind of preparation method of blue active dye, characterized by the following steps:
(1) it is condensed
Bottom water is added in 1000ml beaker, adds In one of which, be warming up to 60 DEG C, be gradually added into tetrachloroquinone, use NaHCO3It adjusts
PH=6-8, be added the time control in 0.5-2 hour, temperature control 55-65 DEG C, after reaction, be cooled to 30 DEG C hereinafter,
Filtering, filter cake are washed with water 2-3 times, in 60-80 DEG C of drying, obtain condensation product dry product；
(2) closed loop, esterification, sulfonation
In 500ml four-hole bottle, the oleum of 20% concentration is added, is slowly added into above-mentioned condensation product dry product, is dropped with cooling water
Temperature, charge temperature≤30 DEG C；It finishes holding and is slowly added within 2 hours 30-60 DEG C of temperature of potassium peroxydisulfate control, feed time 3-8 again
Hour, it finishes, is kept for 2 hours, add liquid SO3, and in 60-100 DEG C holding 2-4 hours, sulfonating reaction liquid is obtained, by the sulphur
Change reaction solution cooling water temperature to 30 DEG C hereinafter, to be diluted；
(3) it dilutes, neutralize
Above-mentioned sulfonating reaction liquid is diluted in mixture of ice and water, temperature≤0 DEG C, dilutes the complete NaCl or KCl that is added and saltout, saltout
Time 2-3 hour, filtering, filter cake are beaten with water, use NaHCO3Adjust pH=5-7, the dye solution can Direct spraying be dried into
Product can also continue to be saltoutd with NaCl or KCl, filter, filtration cakes torrefaction obtains finished product.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB815840A (en) * | 1955-11-23 | 1959-07-01 | Cassella Farbwerke Mainkur Ag | New sulphur dyestuffs of the dioxazine series |
| EP0234778A2 (en) * | 1986-02-17 | 1987-09-02 | Sumitomo Chemical Company, Limited | Dioxazine compound having vinylsulfone type fiber reactive group |
| JPH0617047A (en) * | 1992-06-30 | 1994-01-25 | Sanyo Electric Co Ltd | Organic electroluminescent element |
| US5518825A (en) * | 1993-09-20 | 1996-05-21 | Pioneer Electronic Corporation | Organic electroluminescent device |
| CN102504585A (en) * | 2011-09-28 | 2012-06-20 | 天津德凯化工股份有限公司 | Blue active dye, preparation method and application thereof |
-
2014
- 2014-09-26 CN CN201410504478.8A patent/CN104387795B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB815840A (en) * | 1955-11-23 | 1959-07-01 | Cassella Farbwerke Mainkur Ag | New sulphur dyestuffs of the dioxazine series |
| EP0234778A2 (en) * | 1986-02-17 | 1987-09-02 | Sumitomo Chemical Company, Limited | Dioxazine compound having vinylsulfone type fiber reactive group |
| JPH0617047A (en) * | 1992-06-30 | 1994-01-25 | Sanyo Electric Co Ltd | Organic electroluminescent element |
| US5518825A (en) * | 1993-09-20 | 1996-05-21 | Pioneer Electronic Corporation | Organic electroluminescent device |
| CN102504585A (en) * | 2011-09-28 | 2012-06-20 | 天津德凯化工股份有限公司 | Blue active dye, preparation method and application thereof |
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